<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  
  <div id="app"></div>
  <script src="../渲染器实现/renderer.js"></script>
  <script src="../响应式系统/reactive.js"></script>
  <script src="./index.js"></script>

  <script>
    // 1.创建根组件
    const App = {
      data:reactive({
        counter :0
      }),
      render(){
        return h('div', null ,[
          h('h2', null ,`当前计数: ${this.data.counter}`),
          h('button',{
            onClick:()=>{
              this.data.counter++
            }
          },'+1')
        ])
      }
    }


    // 2.挂载根组件
    // createApp(App).mount('#app')
    const app = createApp(App)
    app.mount("#app")


  </script>

</body>
</html>